Homepage of Aleksandar Razpopov

Address: Institut für Theoretische Physik Goethe-Universität Frankfurt Max-von-Laue-Strasse 1 60438 Frankfurt am Main Germany Office: 01.139 Phone: +49-69-798-47825 Fax: +49-69-798-47832 E-Mail: razpopov itp.uni-frankfurt.de

Member of the group of Prof. Roser Valentí

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Research interests:

• Density Functional Theory (DFT)
  
  
• Frustrated magnetism
  
  
• Strongly correlated systems
  
  

Publications:

1. Aleksandar Razpopov and Roser Valentí
   Ab initio study of highly tunable charge transfer in β-RuCl₃/graphene heterostructures
   Phys. Rev. Research 6, 043026 (2024)
   
   
2. Jazzmin Victorin, Aleksandar Razpopov, Tomoya Higo, Reynolds Dziobek-Garrett, Thomas J. Kempa, Satoru Nakatsuji, Roser Valentí, Natalia Drichko
   Raman Spectroscopic Fingerprint of Exfoliated S=1 Triangular Lattice Antiferromagnet NiGa₂S₄
   Sci Rep 14, 28040 (2024)
   
   
3. Tomoya Asaba, Lang Peng, Takahiro Ono, Satoru Akutagawa, Ibuki Tanaka, Hinako Murayama, Shota Suetsugu, Aleksandar Razpopov, Yuichi Kasahara, Takahito Terashima, Yuhki Kohsaka, Takasada Shibauchi, Masatoshi Ichikawa, Roser Valentí, Shin-ichi Sasa, Yuji Matsuda
   Growth of self-integrated atomic quantum wires and junctions of a Mott semiconductor
   Adv. 9, eabq5561(2023)
   
   
4. Aleksandar Razpopov, David A. S. Kaib, Steffen Backes, Leon Balents, Stephen D. Wilson, Francesco Ferrari, Kira Riedl, Roser Valenti
   A j_eff=1/2 Kitaev material on the triangular lattice: The case of NaRuO₂
   npj Quantum Mater. 8, 36 (2023)
   
   
5. K. Zantout, S. Backes, A. Razpopov, D. Lessnich, R. Valenti
   Improved effective vertices in the multi-orbital Two-Particle Self-Consistent method from Dynamical Mean-Field Theory
   Phys. Rev. B 107, 235101 (2023)
   
   
6. B. Wolf, D. A. S. Kaib, A. Razpopov, S. Biswas, K. Riedl, S. M. Winter, R. Valentí, Y. Saito, S. Hartmann, E. Vinokurova, T. Doert, A. Isaeva, G. Bastien, A. U. B. Wolter, B. Büchner, M. Lang
   Combined experimental and theoretical study of hydrostatic (He-gas) pressure effects in α-RuCl₃
   Phys. Rev. B 106, 134432 (2022)
   
   
7. Kira Riedl, Danila Amoroso, Steffen Backes, Aleksandar Razpopov, Thi Phuong Thao Nguyen, Kunihiko Yamauchi, Paolo Barone, Stephen M. Winter, Silvia Picozzi, and Roser Valentí
   Microscopic origin of magnetism in monolayer 3d transition metal dihalides
   Phys. Rev. B 106, 035156 (2022)
   
   
8. Tobias Biesner, Seulki Roh, Aleksandar Razpopov, Jannis Willwater, Stefan Süllow, Ying Li, Katharina M. Zoch, Marisa Medarde, Jürgen Nuss, Denis Gorbunov, Yurii Skourski, Andrej Pustogow, Stuart E. Brown, Cornelius Krellner, Roser Valentí, Pascal Puphal, Martin Dressel
   Multi-Center Magnon Excitations Open the Entire Brillouin Zone to Terahertz Magnetometry of Quantum Magnets
   Quantum Magnets. Adv. Quantum Technol., 5 (2022)
   
   
9. David A. S. Kaib, Kira Riedl, Aleksandar Razpopov, Ying Li, Steffen Backes, Igor Mazin, and Roser Valentí,
   Electronic and magnetic properties of the RuX₃ (X=Cl, Br, I) family: two siblings – and a cousin?
   npj Quantum Materials 7, 75 (2022)
   
   
10. Max Hering, Francesco Ferrari, Aleksandar Razpopov, Igor I. Mazin, Roser Valenti, Harald O. Jeschke, Johannes Reuther
    Phase diagram of a distorted kagome antiferromagnet and application to Y-kapellasite
    npj Comput. Mater. 8, 10 (2022)
    
    
11. J. S. Zhang, Yiqi Xie, X. Q. Liu, A. Razpopov, V. Borisov, C. Wang, J. P. Sun, Y. Cui, J. C. Wang, X. Ren, Hongshan Deng, Xia Yin, Yang Ding, Yuan Li, J. G. Cheng, Ji Feng, R. Valenti, B. Normand, Weiqiang Yu
    Giant pressure-enhancement of multiferroicity in CuBr₂
    Phys. Rev. Research 2, 013144 (2020)
    
    

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Teaching:

• WS 24/25: Tutorial Theoretische Physik III: Elektrodynamik
  

• WS 23/24: Tutorial Theoretische Physik III: Elektrodynamik
  

• SS 23: Tutorial Einführung in die Programmierung für Studierende der Physik
  

• WS 22/23: Tutorial Mathematik für Studierende der Biophysik
  

• SS 22: Tutorial Theoretische Physik VI: Quantenmechanik II
  

• WS 21/22: Tutorial Theoretische Physik V: Thermodynamik und Statistische Physik
  

• SS 21: Tutorial Theoretische Physik IV: Quantenmechanik I
  

• WS 20/21: Tutorial Theoretische Physik III: Elektrodynamik
  

• SS 20: Tutorial Theoretische Physik IV: Quantenmechanik I
  

• WS 19/20: Tutorial Theoretische Physik V: Thermodynamik und Statistische Physik
  

• SS 19: Tutorial Theoretische Physik IV: Quantenmechanik I
  

• WS 18/19: Tutorial Theoretische Physik V: Thermodynamik und statistische Physik
  

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